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The performance of the speed controller is stable in its standard state. In order to switch this to the droop mode, ter-
minals "K" and "L" must be connected to one another, and the amount of change must be adjusted with the adjust-
ment control lever. In addition, the droop range increases when terminals "G" and "H" are connected.
The engine speed controller includes functions for protecting the actuator and the engine, as well as addi-
tional functions. For example, the controller circuit includes a protective circuit for minimizing overspeeding
which may occur when an excessive load is applied to the engine while starting or running the engine. The
current controller also includes a load divider and automatic parallel feeder which, when used, enable parallel
operation.